check valve depends on the medium flow to open and close automatically, prevent the liquid backflow, it also named non return valve, one way valve, back pressure valve. Ningbo RMI Plastic Co.,Ltd offer different models of plastic check valves include Swing Check Valve, Ball Check Valve, Wafer Check Valve. end connection by flange, socket welding and wafer.

Plastic Check Valve is usually made by material of PVC,CPVC,PVDF,PP,PPH, PTFE lined and rubber lined. RMI PLAST brand plastic check valves are designed and produced according to international standards as DIN, ANSI, JIS, CNS, BS, etc.